Home / 28,176.32-42,237.20-15,684.96

Finding the Fourth Proportional to 28,176.32, 42,237.20 and 15,684.96

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Solution

The fourth proportional to 28,176.32, 42,237.20 and 15,684.96 is: 23,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.32 : 42,237.20 = 15,684.96 : x
  2. Step 2: Convert to fraction form
    28,176.32/42,237.20 = 15,684.96/x
  3. Step 3: Cross multiply
    28,176.32x = 42,237.20 × 15,684.96
  4. Step 4: Simplify right side
    28,176.32x = 662,488,792.51
  5. Step 5: Solve for x
    x = 662,488,792.51/28,176.32
  6. Step 6: Final answer
    x = 23,512.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.